Levels of pharmaceuticals considered unsafe for aquatic organisms were found at more than one-quarter of sampling sites.

A large, long-term study across the US and Sweden finds potential correlations between specific pollutants and the proportions of male and female babies born.

In Chapter 5, "Pick Up the Pieces," author Erica Cirino investigates the potential health risks of the small plastic particles that permeate the planet.

Plastic waste pervades every ecosystem on Earth and is likely affecting neurobiology as well.

Most of the panel’s members were appointed by the Trump administration.

Gulf killifish have made a stunning comeback in Houston with the help of genetic mutations imported from interspecies mating with Atlantic killifish.

Coral reefs near Maui, Hawaii, show signs of erosion due to excess nutrients from wastewater.

Results of a study suggest that toxicologists should look further than exposed individuals for contaminant effects.

Manta rays have a unique filtration system that inspires the development of novel water filtering technology.

Historically thought to be a refuge for coral growing in the shallows, coral reefs from oceanic depths face similar threats, finds a new study.

Osprey numbers are recovering after a drop in contaminants in the Delaware Estuary.

Shorter telomere length is widely considered a manifestation of stress in young children, but the results of a new study find it’s more complicated than that.  

European perch larvae exposed to environmentally relevant concentrations of polystyrene particles preferred to eat the microplastics in place of prey, according to a study.

Humans have spiked ecosystems with a flood of active pharmaceuticals. The drugs are feminizing male fish, confusing birds, and worrying scientists.

A new study surveys the extent of the plastic problem in the world’s oceans, estimating more than 5 trillion pieces weighing nearly 250,000 tons.

Citizens of Ohio’s fourth-largest city can drink from the tap again, but the root causes of the Lake Erie algal blooms that shut off the flow for two days remain.

Body-building steroids used to beef up cattle can regenerate themselves in the environment.

From a tiny marine research center on the Louisiana coast, Nancy Rabalais has led the charge to map, understand, and reduce dangerous “dead zones” in the Gulf of Mexico.